Home / 1,007,290.17-1,510,994.48-287,576.55

Finding the Fourth Proportional to 1,007,290.17, 1,510,994.48 and 287,576.55

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Solution

The fourth proportional to 1,007,290.17, 1,510,994.48 and 287,576.55 is: 431,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,290.17 : 1,510,994.48 = 287,576.55 : x
  2. Step 2: Convert to fraction form
    1,007,290.17/1,510,994.48 = 287,576.55/x
  3. Step 3: Cross multiply
    1,007,290.17x = 1,510,994.48 × 287,576.55
  4. Step 4: Simplify right side
    1,007,290.17x = 434,526,578,189.56
  5. Step 5: Solve for x
    x = 434,526,578,189.56/1,007,290.17
  6. Step 6: Final answer
    x = 431,381.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.